by Karen Rustad; idea and some screenshots by Asheesh Laroia
The fourteen email clients, in order, are:
- Apple Mail
All of the mail clients are named after various animal and plant species. Each screenshot has a letter (or short collection of letters) capitalized in its subject line. They also all have the same, Huffman-encoded string in the body of the email.
Arrange the mail clients on the tree at the top of the page based on their species / evolutionary history. This results in:
LR: pine LLR: yam LLLR: balsa LLLLL: apple LLLLRL: mulberry/elm LLLLRR: elm/mulberry RL: seamonkey RRRR: Thunderbird/Sparrow RRRL: Sparrow/Thunderbird RRLR: SquirrelMail RRLLR: gnus RRLLLL: FoxMail RRLLLRR: mutt/K9 RRLLLRL: K9/mutt
Assign the capitalized letters for each screenshot's subject line to the screenshot's branch on the tree, then interpret the Huffman-encoded string in the email bodies. This results in "THEMEDA TRIANDRA IN AU", which is a hint for the answer, KANGAROO GRASS.